Each year on the second weekend in May, dedicated organizations and people around the world plan events to mark World Migratory Bird Day (WMBD) celebrating migratory birds and raising awareness about the need for their conservation.
On 9-10 May 2009 World Migratory Bird Day was celebrated in over 50 countries around the world. Under the theme “Barriers to migration”, 130 registered events took place. These events helped to raise awareness on man-made barriers and demonstrated that obstacles like wind turbines, power lines and tall buildings pose a threat to migratory birds.
In 2002, the Agreement on the Conservation of Small Cetaceans in the Baltic, North East Atlantic, Irish and North Seas (UNEP/ASCOBANS) declared the third Sunday in May of each year as the “International Day of the Baltic Harbour Porpoise” (IDBHP) in order to raise awareness of the critical situation for populations of the Harbo